Frequency: The word is one of the 3000 most common words in English.
1.
Internal is used to describe things that exist or happen inside a country or organization.
The country stepped up ~ security...
We now have a Europe without ~ borders...
ADJ: ADJ n
~ly
The state is not a unified and ~ly coherent entity.
ADV
2.
Internal is used to describe things that exist or happen inside a particular person, object, or place.
...massive ~ bleeding...
Some of the ~ walls of my house are made of plasterboard.
ADJ: ADJ n
~ly
Evening primrose oil is used on the skin as well as taken ~ly...
ADV: usu ADV with v, also ADV with cl, ADV adj